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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/ui/views/html_dialog_view.h" | |
| 6 | |
| 7 #include <vector> | |
| 8 | |
| 9 #include "base/property_bag.h" | |
| 10 #include "base/utf_string_conversions.h" | |
| 11 #include "chrome/browser/profiles/profile.h" | |
| 12 #include "chrome/browser/ui/browser_dialogs.h" | |
| 13 #include "chrome/browser/ui/webui/html_dialog_controller.h" | |
| 14 #include "content/public/browser/native_web_keyboard_event.h" | |
| 15 #include "content/public/browser/notification_details.h" | |
| 16 #include "content/public/browser/notification_source.h" | |
| 17 #include "content/public/browser/notification_types.h" | |
| 18 #include "content/public/browser/web_contents.h" | |
| 19 #include "ui/base/keycodes/keyboard_codes.h" | |
| 20 #include "ui/views/controls/webview/webview.h" | |
| 21 #include "ui/views/events/event.h" | |
| 22 #include "ui/views/layout/fill_layout.h" | |
| 23 #include "ui/views/widget/root_view.h" | |
| 24 #include "ui/views/widget/widget.h" | |
| 25 | |
| 26 #if defined(USE_AURA) | |
| 27 #include "ui/aura/event.h" | |
| 28 #include "ui/views/widget/native_widget_aura.h" | |
| 29 #endif | |
| 30 | |
| 31 using content::WebContents; | |
| 32 using content::WebUIMessageHandler; | |
| 33 | |
| 34 namespace browser { | |
| 35 | |
| 36 // Declared in browser_dialogs.h so that others don't need to depend on our .h. | |
| 37 gfx::NativeWindow ShowHtmlDialog(gfx::NativeWindow parent, | |
| 38 Profile* profile, | |
| 39 Browser* browser, | |
| 40 HtmlDialogUIDelegate* delegate, | |
| 41 DialogStyle style) { | |
| 42 views::Widget* widget = views::Widget::CreateWindowWithParent( | |
| 43 new HtmlDialogView(profile, browser, delegate), | |
| 44 parent); | |
| 45 widget->Show(); | |
| 46 return widget->GetNativeWindow(); | |
| 47 } | |
| 48 | |
| 49 void CloseHtmlDialog(gfx::NativeWindow window) { | |
| 50 views::Widget::GetWidgetForNativeWindow(window)->Close(); | |
| 51 } | |
| 52 | |
| 53 } // namespace browser | |
| 54 | |
| 55 //////////////////////////////////////////////////////////////////////////////// | |
| 56 // HtmlDialogView, public: | |
| 57 | |
| 58 HtmlDialogView::HtmlDialogView(Profile* profile, | |
| 59 Browser* browser, | |
| 60 HtmlDialogUIDelegate* delegate) | |
| 61 : HtmlDialogTabContentsDelegate(profile), | |
| 62 initialized_(false), | |
| 63 delegate_(delegate), | |
| 64 dialog_controller_(new HtmlDialogController(this, profile, browser)), | |
| 65 web_view_(new views::WebView(profile)) { | |
| 66 web_view_->set_allow_accelerators(true); | |
| 67 AddChildView(web_view_); | |
| 68 SetLayoutManager(new views::FillLayout); | |
| 69 // Pressing the ESC key will close the dialog. | |
| 70 AddAccelerator(ui::Accelerator(ui::VKEY_ESCAPE, false, false, false)); | |
| 71 } | |
| 72 | |
| 73 HtmlDialogView::~HtmlDialogView() { | |
| 74 } | |
| 75 | |
| 76 content::WebContents* HtmlDialogView::web_contents() { | |
| 77 return web_view_->web_contents(); | |
| 78 } | |
| 79 | |
| 80 //////////////////////////////////////////////////////////////////////////////// | |
| 81 // HtmlDialogView, views::View implementation: | |
| 82 | |
| 83 gfx::Size HtmlDialogView::GetPreferredSize() { | |
| 84 gfx::Size out; | |
| 85 if (delegate_) | |
| 86 delegate_->GetMinimumDialogSize(&out); | |
| 87 return out; | |
| 88 } | |
| 89 | |
| 90 bool HtmlDialogView::AcceleratorPressed(const ui::Accelerator& accelerator) { | |
| 91 // Pressing ESC closes the dialog. | |
| 92 DCHECK_EQ(ui::VKEY_ESCAPE, accelerator.key_code()); | |
| 93 OnDialogClosed(std::string()); | |
| 94 return true; | |
| 95 } | |
| 96 | |
| 97 void HtmlDialogView::ViewHierarchyChanged(bool is_add, | |
| 98 views::View* parent, | |
| 99 views::View* child) { | |
| 100 if (is_add && GetWidget()) | |
| 101 InitDialog(); | |
| 102 } | |
| 103 | |
| 104 //////////////////////////////////////////////////////////////////////////////// | |
| 105 // HtmlDialogView, views::WidgetDelegate implementation: | |
| 106 | |
| 107 bool HtmlDialogView::CanResize() const { | |
| 108 return true; | |
| 109 } | |
| 110 | |
| 111 ui::ModalType HtmlDialogView::GetModalType() const { | |
| 112 return GetDialogModalType(); | |
| 113 } | |
| 114 | |
| 115 string16 HtmlDialogView::GetWindowTitle() const { | |
| 116 if (delegate_) | |
| 117 return delegate_->GetDialogTitle(); | |
| 118 return string16(); | |
| 119 } | |
| 120 | |
| 121 std::string HtmlDialogView::GetWindowName() const { | |
| 122 if (delegate_) | |
| 123 return delegate_->GetDialogName(); | |
| 124 return std::string(); | |
| 125 } | |
| 126 | |
| 127 void HtmlDialogView::WindowClosing() { | |
| 128 // If we still have a delegate that means we haven't notified it of the | |
| 129 // dialog closing. This happens if the user clicks the Close button on the | |
| 130 // dialog. | |
| 131 if (delegate_) | |
| 132 OnDialogClosed(""); | |
| 133 } | |
| 134 | |
| 135 views::View* HtmlDialogView::GetContentsView() { | |
| 136 return this; | |
| 137 } | |
| 138 | |
| 139 views::View* HtmlDialogView::GetInitiallyFocusedView() { | |
| 140 return web_view_; | |
| 141 } | |
| 142 | |
| 143 bool HtmlDialogView::ShouldShowWindowTitle() const { | |
| 144 return ShouldShowDialogTitle(); | |
| 145 } | |
| 146 | |
| 147 views::Widget* HtmlDialogView::GetWidget() { | |
| 148 return View::GetWidget(); | |
| 149 } | |
| 150 | |
| 151 const views::Widget* HtmlDialogView::GetWidget() const { | |
| 152 return View::GetWidget(); | |
| 153 } | |
| 154 | |
| 155 //////////////////////////////////////////////////////////////////////////////// | |
| 156 // HtmlDialogUIDelegate implementation: | |
| 157 | |
| 158 ui::ModalType HtmlDialogView::GetDialogModalType() const { | |
| 159 if (delegate_) | |
| 160 return delegate_->GetDialogModalType(); | |
| 161 return ui::MODAL_TYPE_NONE; | |
| 162 } | |
| 163 | |
| 164 string16 HtmlDialogView::GetDialogTitle() const { | |
| 165 return GetWindowTitle(); | |
| 166 } | |
| 167 | |
| 168 GURL HtmlDialogView::GetDialogContentURL() const { | |
| 169 if (delegate_) | |
| 170 return delegate_->GetDialogContentURL(); | |
| 171 return GURL(); | |
| 172 } | |
| 173 | |
| 174 void HtmlDialogView::GetWebUIMessageHandlers( | |
| 175 std::vector<WebUIMessageHandler*>* handlers) const { | |
| 176 if (delegate_) | |
| 177 delegate_->GetWebUIMessageHandlers(handlers); | |
| 178 } | |
| 179 | |
| 180 void HtmlDialogView::GetDialogSize(gfx::Size* size) const { | |
| 181 if (delegate_) | |
| 182 delegate_->GetDialogSize(size); | |
| 183 } | |
| 184 | |
| 185 void HtmlDialogView::GetMinimumDialogSize(gfx::Size* size) const { | |
| 186 if (delegate_) | |
| 187 delegate_->GetMinimumDialogSize(size); | |
| 188 } | |
| 189 | |
| 190 std::string HtmlDialogView::GetDialogArgs() const { | |
| 191 if (delegate_) | |
| 192 return delegate_->GetDialogArgs(); | |
| 193 return std::string(); | |
| 194 } | |
| 195 | |
| 196 void HtmlDialogView::OnDialogClosed(const std::string& json_retval) { | |
| 197 HtmlDialogTabContentsDelegate::Detach(); | |
| 198 if (delegate_) { | |
| 199 // Store the dialog content area size. | |
| 200 delegate_->StoreDialogSize(GetContentsBounds().size()); | |
| 201 } | |
| 202 | |
| 203 if (GetWidget()) | |
| 204 GetWidget()->Close(); | |
| 205 | |
| 206 if (delegate_) { | |
| 207 delegate_->OnDialogClosed(json_retval); | |
| 208 delegate_ = NULL; // We will not communicate further with the delegate. | |
| 209 } | |
| 210 } | |
| 211 | |
| 212 void HtmlDialogView::OnCloseContents(WebContents* source, | |
| 213 bool* out_close_dialog) { | |
| 214 if (delegate_) | |
| 215 delegate_->OnCloseContents(source, out_close_dialog); | |
| 216 } | |
| 217 | |
| 218 bool HtmlDialogView::ShouldShowDialogTitle() const { | |
| 219 if (delegate_) | |
| 220 return delegate_->ShouldShowDialogTitle(); | |
| 221 return true; | |
| 222 } | |
| 223 | |
| 224 bool HtmlDialogView::HandleContextMenu( | |
| 225 const content::ContextMenuParams& params) { | |
| 226 if (delegate_) | |
| 227 return delegate_->HandleContextMenu(params); | |
| 228 return HtmlDialogTabContentsDelegate::HandleContextMenu(params); | |
| 229 } | |
| 230 | |
| 231 //////////////////////////////////////////////////////////////////////////////// | |
| 232 // content::WebContentsDelegate implementation: | |
| 233 | |
| 234 void HtmlDialogView::MoveContents(WebContents* source, const gfx::Rect& pos) { | |
| 235 // The contained web page wishes to resize itself. We let it do this because | |
| 236 // if it's a dialog we know about, we trust it not to be mean to the user. | |
| 237 GetWidget()->SetBounds(pos); | |
| 238 } | |
| 239 | |
| 240 // A simplified version of BrowserView::HandleKeyboardEvent(). | |
| 241 // We don't handle global keyboard shortcuts here, but that's fine since | |
| 242 // they're all browser-specific. (This may change in the future.) | |
| 243 void HtmlDialogView::HandleKeyboardEvent(const NativeWebKeyboardEvent& event) { | |
| 244 #if defined(USE_AURA) | |
| 245 aura::KeyEvent aura_event(event.os_event->native_event(), false); | |
| 246 views::NativeWidgetAura* aura_widget = | |
| 247 static_cast<views::NativeWidgetAura*>(GetWidget()->native_widget()); | |
| 248 aura_widget->OnKeyEvent(&aura_event); | |
| 249 #elif defined(OS_WIN) | |
| 250 // Any unhandled keyboard/character messages should be defproced. | |
| 251 // This allows stuff like F10, etc to work correctly. | |
| 252 DefWindowProc(event.os_event.hwnd, event.os_event.message, | |
| 253 event.os_event.wParam, event.os_event.lParam); | |
| 254 #endif | |
| 255 } | |
| 256 | |
| 257 void HtmlDialogView::CloseContents(WebContents* source) { | |
| 258 bool close_dialog = false; | |
| 259 OnCloseContents(source, &close_dialog); | |
| 260 if (close_dialog) | |
| 261 OnDialogClosed(std::string()); | |
| 262 } | |
| 263 | |
| 264 content::WebContents* HtmlDialogView::OpenURLFromTab( | |
| 265 content::WebContents* source, | |
| 266 const content::OpenURLParams& params) { | |
| 267 content::WebContents* new_contents = NULL; | |
| 268 if (delegate_ && | |
| 269 delegate_->HandleOpenURLFromTab(source, params, &new_contents)) { | |
| 270 return new_contents; | |
| 271 } | |
| 272 return HtmlDialogTabContentsDelegate::OpenURLFromTab(source, params); | |
| 273 } | |
| 274 | |
| 275 void HtmlDialogView::AddNewContents(content::WebContents* source, | |
| 276 content::WebContents* new_contents, | |
| 277 WindowOpenDisposition disposition, | |
| 278 const gfx::Rect& initial_pos, | |
| 279 bool user_gesture) { | |
| 280 if (delegate_ && delegate_->HandleAddNewContents( | |
| 281 source, new_contents, disposition, initial_pos, user_gesture)) { | |
| 282 return; | |
| 283 } | |
| 284 HtmlDialogTabContentsDelegate::AddNewContents( | |
| 285 source, new_contents, disposition, initial_pos, user_gesture); | |
| 286 } | |
| 287 | |
| 288 void HtmlDialogView::LoadingStateChanged(content::WebContents* source) { | |
| 289 if (delegate_) | |
| 290 delegate_->OnLoadingStateChanged(source); | |
| 291 } | |
| 292 | |
| 293 //////////////////////////////////////////////////////////////////////////////// | |
| 294 // HtmlDialogView, TabRenderWatcher::Delegate implementation: | |
| 295 | |
| 296 void HtmlDialogView::OnRenderHostCreated(content::RenderViewHost* host) { | |
| 297 } | |
| 298 | |
| 299 void HtmlDialogView::OnTabMainFrameLoaded() { | |
| 300 } | |
| 301 | |
| 302 void HtmlDialogView::OnTabMainFrameRender() { | |
| 303 tab_watcher_.reset(); | |
| 304 } | |
| 305 | |
| 306 //////////////////////////////////////////////////////////////////////////////// | |
| 307 // HtmlDialogView, private: | |
| 308 | |
| 309 void HtmlDialogView::InitDialog() { | |
| 310 content::WebContents* web_contents = web_view_->GetWebContents(); | |
| 311 if (web_contents->GetDelegate() == this) | |
| 312 return; | |
| 313 | |
| 314 web_contents->SetDelegate(this); | |
| 315 | |
| 316 // Set the delegate. This must be done before loading the page. See | |
| 317 // the comment above HtmlDialogUI in its header file for why. | |
| 318 HtmlDialogUI::GetPropertyAccessor().SetProperty( | |
| 319 web_contents->GetPropertyBag(), this); | |
| 320 tab_watcher_.reset(new TabRenderWatcher(web_contents, this)); | |
| 321 | |
| 322 if (delegate_) { | |
| 323 gfx::Size out; | |
| 324 delegate_->GetDialogSize(&out); | |
| 325 if (!out.IsEmpty() && GetWidget()) | |
| 326 GetWidget()->CenterWindow(out); | |
| 327 } | |
| 328 | |
| 329 web_view_->LoadInitialURL(GetDialogContentURL()); | |
| 330 } | |
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